SLEEP ZONE Queen Sheet Set, 4 Pieces, Flint Blue Review
A 4 piece queen sheet set from SLEEP ZONE in a blue colorway, built from double-brushed microfiber with NANOTEX Coolest Comfort technology and a deep pocket fit up to 16 inches.
| Brand | SLEEP ZONE |
|---|---|
| Color | Flint Blue (listed color field: Dusty Blue) |
| Size | Queen, deep pocket |
| Pocket depth | Up to 16 inches |
| Flat sheet | 102 x 90 inches |
| Fitted sheet | 80 x 60 inches |
| Best for | Queen size mattresses up to 16 inches thick needing a breathable, cooling microfiber sheet set |
Product Overview
SLEEP ZONE builds this set around a cooling microfiber construction rather than cotton, aiming to balance body temperature overnight through what the listing calls NANOTEX Coolest Comfort Technology. The set includes 4 pieces for a queen bed: 1 flat sheet, 1 fitted sheet and 2 pillowcases.
One naming inconsistency worth flagging: the product title calls this colorway Flint Blue, while the listing's own structured color field separately reads Dusty Blue. Both refer to the same single listing rather than two different products, so buyers deciding on shade should check the product photos rather than relying on either text label alone.
Score Breakdown
This verdict is based on the manufacturer's stated specifications, the current Amazon listing and its product images, the confirmed materials and design, real buyer ratings, and our research into the product category. Scores are consistent editorial judgments, not laboratory measurements, and we did not receive a paid sample.
Key Features
Pulls moisture away and dries faster than cotton.
Fits oversized and thicker queen mattresses.
Soft fabric finish on both sides.
Tested for harmful substances with reduced environmental impact.
1 flat sheet, 1 fitted sheet and 2 pillowcases.
Design and Build Quality
The fitted sheet is built with a deep pocket fitting mattresses up to 16 inches thick, sized at 80 by 60 inches, while the flat sheet measures 102 by 90 inches and the two pillowcases measure 20 by 30 inches each. The fabric is premium microfiber, double-brushed on both sides for softness.
SLEEP ZONE states the set carries OEKO-TEX Made in Green certification, meaning it has been tested for harmful substances and produced in a facility with reduced environmental impact. The listing also describes the fabric as shrink and wrinkle resistant.
Performance in Everyday Use
The core comfort claim is the NANOTEX Coolest Comfort Technology, which SLEEP ZONE states dries faster than cotton and pulls moisture away from the body, aiming to keep the sleeping surface cooler and drier through the night. The listing frames this as reducing night sweat compared with ordinary bed sheets.
The double-brushed microfiber is positioned as both soft and durable, with the deep pocket design meant to stay fitted on oversized or thicker mattresses rather than slipping off the corners.
How It Performs: The Evidence
| Decision factor | What we found | Evidence and measurement | Score | Why it matters |
|---|---|---|---|---|
| Pocket depth | Up to 16 inches | Listing states deep pocket fits mattress up to 16 inch deep, perfect for oversized mattress | 8.0 | A named pocket depth confirms fit on thicker queen mattresses |
| Flat sheet size | 102 x 90 inches | Listing states queen size includes 1 flat sheet 102x90 inch | 7.8 | A matching flat sheet size confirms full queen bed coverage |
| Fitted sheet size | 80 x 60 inches | Listing states 1 fitted sheet 80x60 inch | 7.8 | A matching fitted sheet size confirms it is built for a queen mattress |
| Pillowcase size | 20 x 30 inches each | Listing states 2 pillow case 20x30 inch | 7.7 | A named pillowcase size confirms standard queen pillow fit |
| Certification | OEKO-TEX Made in Green | Listing states OEKO-TEX MADE IN GREEN products are tested for harmful substances | 8.1 | A named certification supports the stated safety and production claims |
| Cooling technology | NANOTEX Coolest Comfort Technology | Listing states the sheets are designed with new NANOTEX Coolest Comfort Technology and dry faster than cotton | 8.2 | A named branded technology supports the stated cooling and moisture-wicking claim |
| Mattress height field | 14 inches in a separate dimensions field | Listing item dimensions list height as 14 inches, close to but not identical with the 16 inch pocket depth stated elsewhere | 7.3 | A second, slightly different figure in the structured dimensions field is worth noting alongside the main 16 inch deep pocket claim |
Who Should Buy It
- Queen mattresses up to 16 inches deep
- Buyers wanting a cooling, moisture-wicking sheet feel
- Anyone wanting OEKO-TEX certified bedding
- Easy-care, shrink and wrinkle resistant sheets
- Buyers wanting a cotton sheet set, since this is a microfiber construction, or mattresses deeper than 16 inches
- The listing names the color two different ways (Flint Blue in the title, Dusty Blue in the color field), so the exact shade is best confirmed from photos
- Microfiber rather than cotton, which some buyers may prefer for breathability
- Listing's stated sheet set weight figure does not appear usable as a real total weight and should not be relied on for shipping or handling estimates
- Only this specific colorway is covered by the listing
Full Specifications
How It Compares
| Feature | SLEEP ZONE | Typical option | Higher-tier option |
|---|---|---|---|
| Cooling technology | NANOTEX Coolest Comfort | No cooling technology | Moisture-wicking finish |
| Pocket depth | Deep pocket up to 16 inches | Standard shallow pocket | Deep pocket design |
| Material | Double-brushed microfiber | Single-brushed fabric | Brushed microfiber |
| Certification | OEKO-TEX Made in Green | No stated certification | OEKO-TEX certified |
| Piece count | 4 piece set | Fitted sheet only | Full 4 piece set |
| Care | Shrink and wrinkle resistant | Prone to shrinking | Wrinkle resistant fabric |
Alternatives Worth a Look



The SLEEP ZONE queen sheet set delivers a 4 piece, double-brushed microfiber build with NANOTEX cooling technology and a 16 inch deep pocket fit, backed by OEKO-TEX Made in Green certification. It suits queen mattresses needing a breathable, easy-care sheet set, with the one thing to double check being the exact shade, since the listing names the color two different ways.
Frequently Asked Questions
What pieces come in this set?
1 flat sheet, 1 fitted sheet and 2 pillowcases, per the listing.
What mattress depth does this fit?
Up to 16 inches per the deep pocket fitted sheet, per the listing.
What material are the sheets made from?
Double-brushed microfiber with NANOTEX Coolest Comfort Technology, per the listing.
Is this set certified for safety?
Yes, OEKO-TEX Made in Green certified, per the listing.
What color is this set?
The title calls it Flint Blue while the listing's color field reads Dusty Blue, so check the product photos for the exact shade.
How should it be washed?
Machine wash cold, no bleach, tumble dry low, per the listing's care instructions.
Will the sheets wrinkle or shrink?
The listing states the fabric is shrink and wrinkle resistant.
This review is based on the manufacturer's stated materials, dimensions and certifications as listed. It is editorial analysis of the specifications and features as described, not hands on sleeping or wash testing of this specific sheet set.